Haktoys Eduational Connect-N-Play Railway Playset with Train Sound On/Off Button - Colors May Vary Helps younger children develop hand-eye coordination, helps them develop cognitive skills and create imaginary scenarios for play Visual perception exercises to help color recognition. 41.5" x 20.8" oval of snap-fit tracks. Optional train sounds (On/Off switch). Interchangeable tracks. Change directions of train by switching lever. Includes one motorized train and three cargo cars that are loaded with variety of vehicles such as plane or biplane Locomotive available in blue and yellow colors. Requires 3 x 1.5V AA batteries